# FX-SCH-A-000137

Source: https://xmlvalid.com/rules/FX-SCH-A-000137

> A VAT Breakdown (BG-23) with VAT Category code (BT-118) "Reverse charge" shall have a VAT exemption reason code (BT-121), meaning "Reverse charge" or the VAT exemption reason text (BT-120) "Reverse charge" (or the equivalent standard text in another language).

- Level: error
- Rule sets: Factur-X BASIC rules 1.09
- Context: `//rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:ApplicableTradeTax/ram:CategoryCode[. = 'AE']`
- Test: `(../ram:ExemptionReason) or (../ram:ExemptionReasonCode)`

Validate a document against these rules: https://xmlvalid.com/validate
